mirror of
https://github.com/NLnetLabs/unbound.git
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4953daa016
This turns completely empty responses, a type of noerror/nodata into a servfail, but they do not conform to RFC2308, and the retry can fetch improved content.
186 lines
3.5 KiB
Plaintext
186 lines
3.5 KiB
Plaintext
; config options
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server:
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target-fetch-policy: "0 0 0 0 0"
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test iterator lameness detection of AAAA-only lameness
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN AAAA
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN AAAA
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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ns.example.com. IN AAAA
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SECTION ANSWER
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SECTION AUTHORITY
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example.com. IN SOA ns.example.com. root.example.com. 4 14400 3600 604800 3600
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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ns.example.com. IN A
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SECTION ANSWER
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SECTION AUTHORITY
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example.com. IN SOA ns.example.com. root.example.com. 4 14400 3600 604800 3600
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to AAAA query
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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example.com. IN AAAA
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SECTION ANSWER
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SECTION AUTHORITY
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. 3600000 IN NS a.root-servers.net.
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. 3600000 IN NS b.root-servers.net.
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. 3600000 IN NS c.root-servers.net.
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. 3600000 IN NS d.root-servers.net.
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. 3600000 IN NS e.root-servers.net.
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. 3600000 IN NS f.root-servers.net.
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. 3600000 IN NS g.root-servers.net.
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. 3600000 IN NS h.root-servers.net.
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. 3600000 IN NS i.root-servers.net.
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. 3600000 IN NS j.root-servers.net.
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. 3600000 IN NS k.root-servers.net.
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. 3600000 IN NS l.root-servers.net.
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. 3600000 IN NS m.root-servers.net.
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SECTION ADDITIONAL
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a.root-servers.net. 3600000 IN A 198.41.0.4
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b.root-servers.net. 3600000 IN A 128.9.0.107
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c.root-servers.net. 3600000 IN A 192.33.4.12
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ENTRY_END
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; response to A query
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 120 IN A 204.14.213.188
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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MATCH TCP
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REPLY RD
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SECTION QUESTION
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example.com. IN AAAA
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ENTRY_END
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; this fails; it is LAME
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA SERVFAIL
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SECTION QUESTION
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example.com. IN AAAA
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SECTION ANSWER
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ENTRY_END
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; Now try the A type, which works, and is not LAME.
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STEP 20 QUERY
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ENTRY_BEGIN
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MATCH TCP
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REPLY RD
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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; this fails; it is LAME
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STEP 30 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 120 IN A 204.14.213.188
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ENTRY_END
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SCENARIO_END
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